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winealsa.drv: Optionally load extra ALSA device names from the registry.
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parent
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commit
73cdf6530c
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@ -1,5 +1,5 @@
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MODULE = winealsa.drv
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IMPORTS = uuid ole32
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IMPORTS = uuid ole32 advapi32
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DELAYIMPORTS = winmm
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EXTRALIBS = @ALSALIBS@
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@ -340,6 +340,57 @@ static HRESULT alsa_get_card_devices(snd_pcm_stream_t stream, WCHAR **ids, char
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return S_OK;
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}
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static void get_reg_devices(snd_pcm_stream_t stream, WCHAR **ids, char **keys,
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UINT *num)
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{
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static const WCHAR drv_keyW[] = {'S','o','f','t','w','a','r','e','\\',
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'W','i','n','e','\\','D','r','i','v','e','r','s','\\',
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'w','i','n','e','a','l','s','a','.','d','r','v',0};
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static const WCHAR ALSAOutputDevices[] = {'A','L','S','A','O','u','t','p','u','t','D','e','v','i','c','e','s',0};
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static const WCHAR ALSAInputDevices[] = {'A','L','S','A','I','n','p','u','t','D','e','v','i','c','e','s',0};
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HKEY key;
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WCHAR reg_devices[256];
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DWORD size = sizeof(reg_devices), type, len;
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const WCHAR *value_name = (stream == SND_PCM_STREAM_PLAYBACK) ? ALSAOutputDevices : ALSAInputDevices;
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/* @@ Wine registry key: HKCU\Software\Wine\Drivers\winealsa.drv */
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if(RegOpenKeyW(HKEY_CURRENT_USER, drv_keyW, &key) == ERROR_SUCCESS){
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if(RegQueryValueExW(key, value_name, 0, &type,
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(BYTE*)reg_devices, &size) == ERROR_SUCCESS){
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WCHAR *p = reg_devices;
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if(type != REG_MULTI_SZ){
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ERR("Registry ALSA device list value type must be REG_MULTI_SZ\n");
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RegCloseKey(key);
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return;
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}
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while(*p){
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char devname[64];
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WideCharToMultiByte(CP_UNIXCP, 0, p, -1, devname, sizeof(devname), NULL, NULL);
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if(alsa_try_open(devname, stream)){
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if(ids && keys){
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len = lstrlenW(p) + 1;
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ids[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
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memcpy(ids[*num], p, len * sizeof(WCHAR));
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len = strlen(devname) + 1;
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keys[*num] = HeapAlloc(GetProcessHeap(), 0, len);
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memcpy(keys[*num], devname, len);
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}
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++*num;
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}
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p += lstrlenW(p) + 1;
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}
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}
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RegCloseKey(key);
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}
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}
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static HRESULT alsa_enum_devices(EDataFlow flow, WCHAR **ids, char **keys,
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UINT *num)
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{
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@ -360,6 +411,8 @@ static HRESULT alsa_enum_devices(EDataFlow flow, WCHAR **ids, char **keys,
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++*num;
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}
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get_reg_devices(stream, ids, keys, num);
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for(err = snd_card_next(&card); card != -1 && err >= 0;
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err = snd_card_next(&card)){
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char cardpath[64];
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